Where does “रोदस्” come from?

रोदस् (Sanskrit) comes from Sanskrit रुद्, from Proto-Indo-European HrewdH- — to weep.

रोदस् (Sanskrit): heaven and earth; the earth

Definitions

Step	Language	Word	Meaning
1	Sanskrit	रुद्	Class 2; to weep, cry, howl, roar, lament, wail;...
2	Proto-Indo-European	HrewdH-	to weep

रोदस् — Etymology, Origin & Word History | Etymology Explorer